TY  - RPRT
TI  - Perforated peptic ulcer.
AU  - P H Jordan
AU  - C Morrow
PY  - 1988
DO  - 10.1016/s0039-6109(16)44480-4
UR  - https://pubmed.ncbi.nlm.nih.gov/3279549/
ID  - 3279549
ER  -